Lanthanum trifluoride

Lanthanum trifluoride

Crystal structure
Names
Other names
Lanthanum(III) fluoride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.851 Edit this at Wikidata
EC Number
  • 237-252-8
  • InChI=1S/La.3FH/h;3*1H/q+3;;;/p-3 checkY
    Key: BYMUNNMMXKDFEZ-UHFFFAOYSA-K checkY
  • InChI=1/La.3FH/h;3*1H/q+3;;;/p-3
  • F[La](F)F
Properties
LaF3
Molar mass 195.900 g/mol[1]
Appearance white, crystalline solid
Density 5.9 g/cm3[1]
Melting point 1,493 °C (2,719 °F; 1,766 K)[1]
1.606
Structure
Rhombohedral, hR24
P3c1, No. 165[2]
a = 0.7185 nm, c = 0.7351 nm
0.32865
6
Hazards
NFPA 704 (fire diamond)
[3] pg 3
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
0
0
Safety data sheet (SDS) [3]
Related compounds
Other anions
 Lanthanum(III) chloride
Lanthanum(III) bromide
Lanthanum(III) iodide
Other cations
 Actinium(III) fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Lanthanum trifluoride is a refractory ionic compound of lanthanum and fluorine.[4] The chemical formula is LaF
3.

  1. ^ a b c Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.69. ISBN 1-4398-5511-0.
  2. ^ Zalkin, A.; Templeton, D. H. (1985). "Refinement of the trigonal crystal structure of lanthanum trifluoride with neutron diffraction data" (PDF). Acta Crystallographica Section B. 41 (2): 91. Bibcode:1985AcCrB..41...91Z. doi:10.1107/S0108768185001689.
  3. ^ a b "Safety Data Sheet: Lanthanum(III) fluoride". Thermo Fisher Scientific. 19 January 2018. Archived from the original on 17 August 2018. Retrieved 17 August 2018.
  4. ^ Cotton, Simon (30 January 2007). Lanthanide and Actinide Chemistry. Wiley. pp. 25–27. ISBN 978-0-470-01007-5.